// The MIT License (MIT)
//
// Copyright (c) 2015 Suyeol Jeon (xoul.kr)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

import CoreGraphics
import Foundation

public protocol Then {}

extension Then where Self: Any {
    
    public func with(_ block: (inout Self) throws -> Void) rethrows -> Self {
        var copy = self
        try block(&copy)
        return copy
    }
    
    public func `do`<T>(_ block: (Self) throws -> T) rethrows -> T {
        return try block(self)
    }
    
}

extension Then where Self: AnyObject {
    
    public func then(_ block: (Self) throws -> Void) rethrows -> Self {
        try block(self)
        return self
    }
    
}

extension NSObject: Then {}

extension CGPoint: Then {}
extension CGRect: Then {}
extension CGSize: Then {}
extension CGVector: Then {}
